2134240220201 has 4 divisors (see below), whose sum is σ = 2134821602304. Its totient is φ = 2133658838100.

The previous prime is 2134240220153. The next prime is 2134240220207. The reversal of 2134240220201 is 1020220424312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134240220201 is a prime.

It is a super-4 number, since 4×2134240220201⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134240220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290685545 + ... + 290692886.

It is an arithmetic number, because the mean of its divisors is an integer number (533705400576).

Almost surely, 2^{2134240220201} is an apocalyptic number.

It is an amenable number.

2134240220201 is a deficient number, since it is larger than the sum of its proper divisors (581382103).

2134240220201 is an equidigital number, since it uses as much as digits as its factorization.

2134240220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581382102.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2134240220201 its reverse (1020220424312), we get a palindrome (3154460644513).

The spelling of 2134240220201 in words is "two trillion, one hundred thirty-four billion, two hundred forty million, two hundred twenty thousand, two hundred one".